短角彎角藻EucampiazodiacusEhrenberg,1839(圖184)abcdefgh圖184短角彎角藻EucampiazodiacusEhrenberg,1839a～g.寬環(huán)面觀(broadgirdleview);h.窄環(huán)面觀(narrowgirdleview);c.細(xì)胞分裂(cellsdivision);b,d.活體(livecells)短角彎角藻又稱(chēng)浮動(dòng)彎角藻。藻體細(xì)胞殼面中部凹下...[繼續(xù)閱讀]

    泰晤士旋鞘藻Helicothecatamesis(Shrubsole)Ricard,1987(圖186)abcd圖186泰晤士旋鞘藻Helicothecatamesis(Shrubsole)Ricard,1987a～d.細(xì)胞鏈環(huán)面觀(chainsingirdleview)a～d.標(biāo)尺為20μm(scalebar20μm)同種異名:泰晤士扭鞘藻StreptothecatamesisShrubsole,1891藻體細(xì)胞很扁,寬環(huán)面...[繼續(xù)閱讀]

    印度扭鞘藻StreptothecaindicaKarsten,1907(圖187)abc圖187印度扭鞘藻StreptothecaindicaKarsten,1907a～c.細(xì)胞鏈環(huán)面觀(chainsingirdleview)本種與泰晤士旋鞘藻(HelicothecatamesisRicard)的區(qū)別在于殼面為三叉形,所形成的細(xì)胞鏈為扭轉(zhuǎn)三楞狀。熱帶外洋性種。中...[繼續(xù)閱讀]

    柔弱井字藻EunotogrammadebileGrunow,1955(圖188)ab圖188柔弱井字藻EunotogrammadebileGrunow,1955a,b.細(xì)胞殼面觀(valveviewofcells)同種異名:Eunotogrammamarinum(W.Sm)Peragallo藻體細(xì)胞殼面豆莢狀,兩端圓鈍。橫隔片明顯,8個(gè)(金德祥等,1991,6～14個(gè);Hustedt,1955,4～16個(gè)...[繼續(xù)閱讀]

    加拉星平藻Asteroplanuskarianus(Grunow)GardneretCrawford,1997(圖189)ab圖189加拉星平藻Asteroplanuskarianus(Grunow)GardneretCrawford,1997a,b.細(xì)胞鏈環(huán)面觀(chainsinthegirdleview);a.活體(livecells)同種異名:加氏星桿藻AsterionellakarianaGrunow,1880藻體細(xì)胞環(huán)面觀楔形。相鄰...[繼續(xù)閱讀]

    長(zhǎng)海毛藻ThalassiothrixlongissimaCleveetGrunow,1880(圖190)ab圖190長(zhǎng)海毛藻ThalassiothrixlongissimaCleveetGrunow,1880a,b.完整細(xì)胞(entirecells)本種細(xì)胞單獨(dú)生活。較佛氏海毛藻(ThalassiothrixfrauenfeldiiGrunow)更加細(xì)長(zhǎng),略彎曲。外洋浮游性種。世界廣布性種。中國(guó)...[繼續(xù)閱讀]

    冰河擬星桿藻Asterionellopsisglacialis(Castracane)Round,1990(圖191)abcdef圖191冰河擬星桿藻Asterionellopsisglacialis(Castracane)Round,1990a,c,d,e.細(xì)胞鏈寬環(huán)面觀(chainsinbroadgirdleview);b,f.細(xì)胞鏈窄環(huán)面觀(chainsinnarrowgirdleview);e.活體(livecells)同種異名:日本星桿藻...[繼續(xù)閱讀]

    針桿藻Synedraspp.(圖192)abcdefg圖192針桿藻Synedraspp.a,c～g.環(huán)面觀(girdleview);b.殼面觀(valveview);a～c.活體(livecells)藻體細(xì)胞環(huán)面觀長(zhǎng)棍形,殼面觀針形。點(diǎn)條紋明顯,橫列。樣品采自青島沿海、渤海、東海。...[繼續(xù)閱讀]

    菱形海線藻ThalassionemanitzschioidesGrunow,1885(圖193)abcd圖193菱形海線藻ThalassionemanitzschioidesGrunow,1885a～d.細(xì)胞鏈環(huán)面觀(chainsinthegirdleview)藻體細(xì)胞短棒狀。殼面觀細(xì)胞兩端形態(tài)相同,末端鈍圓。相鄰細(xì)胞借膠質(zhì)連成鋸齒狀或星狀群體。色素體...[繼續(xù)閱讀]

    脆桿藻Fragilariaspp.(圖195)abcd圖195脆桿藻Fragilariaspp.a～c.環(huán)面觀(girdleview);d.殼面觀(valveview)藻體細(xì)胞通過(guò)殼面連成群體。殼面針形、短棒形或橢圓形。樣品于2005年3月份在北黃海采到,數(shù)量較多。...[繼續(xù)閱讀]